XHDATA 5C-Black-2
XHDATA BL-5C 3.7V 1020mAh Rechargeable Battery User Manual
Model: 5C-Black-2
1. Introduction
Thank you for choosing the XHDATA BL-5C 3.7V 1020mAh Rechargeable Battery. This lithium-ion battery is designed to provide reliable power for compatible devices such as household radios, Bluetooth speakers, and cameras. This manual provides essential information on the safe and effective use, maintenance, and troubleshooting of your battery.

Image 1.1: Front and back view of the BL-5C battery.
This image displays two BL-5C batteries, one showing the front with positive and negative terminals, and the other showing the back with detailed specifications and safety certifications like CE and PS. The battery is black with white markings.
2. Safety Information
Please read and understand all safety precautions before using the battery. Failure to follow these instructions may result in fire, electric shock, or injury.
- Use Specified Charger Only: Always use a charger specifically designed for BL-5C lithium-ion batteries. Using an incompatible charger may damage the battery or cause a fire.
- Proper Disposal: Batteries must be disposed of properly. Do not dispose of batteries in fire, as they may explode. Follow local regulations for battery recycling.
- Avoid Short-Circuit: Do not short-circuit the battery terminals. This can lead to overheating, fire, or explosion.
- Current Protection: The battery is designed with current protection to avoid overcharge, over-discharge, over-current, and short-circuit. However, always exercise caution.
- Environmental Protection: This battery does not contain harmful substances such as mercury, lead, or cadmium.
- Compatibility: Be aware that some devices use specialized batteries, and this BL-5C battery may not be compatible, potentially leading to charging or functional issues. Verify compatibility before use.
- Damage: Do not use the battery if it is damaged, swollen, or leaking.
- Temperature: Avoid exposing the battery to extreme temperatures (hot or cold).
3. Product Overview
The XHDATA BL-5C battery is a compact and reliable power source. It features a nominal voltage of 3.7V and a capacity of 1020mAh, making it suitable for various portable electronic devices.
Key Features:
- Model: BL-5C
- Capacity: 1020mAh
- Voltage: 3.7V (Nominal)
- Charging Voltage: 4.2V
- Battery Type: Lithium Ion
- Protection: Built-in current protection against overcharge, over-discharge, over-current, and short-circuit.
- Environmental: Made with environmentally friendly materials, free from mercury, lead, and cadmium.
- Recyclable: Rechargeable for strong recycling and environmental protection.

Image 3.1: High-capacity BL-5C battery.
This image highlights the high capacity of the BL-5C battery, showing the battery balanced on a triangular support, with "High-capacity" and "1020mAh" text prominently displayed above it.

Image 3.2: BL-5C battery in hand.
This image shows the BL-5C battery being held in a hand, illustrating its compact and portable size, which is ideal for various small electronic devices.
4. Specifications
Detailed technical specifications for the XHDATA BL-5C battery:
| Specification | Value |
|---|---|
| Model | BL-5C |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 1020mAh |
| Charging Voltage | 4.2V |
| Battery Type | Lithium Ion |
| Product Dimensions (L x W x H) | 53 x 34 x 5 mm (2.09 x 1.3 x 0.2 inches) |
| Item Weight | 1.41 ounces |
| Cycle Life Characteristics | ≥300 cycles |
| Max. Charging Current | 1.0C |
| Max. Discharging Current | 1.0C |
| Discharge Ending Voltage | 2.75V |
| Manufacturer | XHDATA |
| Country of Origin | China |

Image 4.1: BL-5C battery with specifications.
This image shows the BL-5C battery alongside a list of its key specifications, including type, nominal voltage, nominal capacity, cycle life, size, and charging/discharging currents.

Image 4.2: BL-5C battery dimensions.
This image illustrates the physical dimensions of the BL-5C battery, showing its length as 5.3cm and width as 3.5cm, providing a clear visual reference for its size.
5. Setup and Installation
Before using your new BL-5C battery, ensure it is properly installed and charged.
5.1 Initial Charge:
- Upon receiving, the battery may have a partial charge. For optimal performance, it is recommended to fully charge the battery before its first use.
- Connect the BL-5C battery to a compatible charger. Ensure the charger is specifically designed for lithium-ion batteries with a charging voltage of 4.2V.
- Monitor the charging indicator on your charger or device. Charging time may vary depending on the charger and the battery's initial charge level.
5.2 Installation:
- Identify the battery compartment in your compatible device (e.g., radio, Bluetooth speaker, camera).
- Ensure the device is powered off before installing or removing the battery.
- Align the positive (+) and negative (-) terminals of the BL-5C battery with the corresponding markings in the device's battery compartment.
- Gently insert the battery until it is securely seated. Do not force the battery if it does not fit; verify compatibility.
- Close the battery compartment cover.
6. Operating Instructions
Once installed, the BL-5C battery powers your device. Here are general operating guidelines:
- Powering On/Off: Refer to your device's specific manual for instructions on how to power it on and off.
- Battery Life: The battery's operating time will vary depending on the device's power consumption and usage patterns.
- Recharging: When the device indicates low battery, recharge the BL-5C battery promptly using a compatible charger. Avoid completely draining the battery frequently, as this can reduce its lifespan.
- Storage: If storing the battery for an extended period, charge it to approximately 50% and store it in a cool, dry place.
7. Maintenance
Proper maintenance can extend the life and performance of your BL-5C battery.
- Cleaning: Periodically clean the battery terminals with a clean, dry cloth to ensure good electrical contact. Do not use liquid cleaners.
- Storage: Store batteries in a cool, dry place away from direct sunlight and extreme temperatures. Avoid storing them near metal objects that could cause a short circuit.
- Avoid Physical Damage: Do not drop, puncture, or disassemble the battery.
- Regular Use: For optimal battery health, use and recharge the battery regularly rather than leaving it unused for very long periods.
8. Troubleshooting
If you encounter issues with your BL-5C battery, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging. | Incompatible charger; loose connection; faulty battery/charger. | Ensure charger is compatible with BL-5C. Check connections. Try a different charger or battery if available. |
| Device not powering on with battery. | Battery not installed correctly; battery discharged; device issue. | Re-install battery, ensuring correct polarity. Charge the battery. Test with another compatible battery if possible. Check device's power button. |
| Battery drains quickly. | High power consumption by device; aging battery; improper charging. | Reduce device usage. Ensure full charge cycles. Consider replacing the battery if it's old. |
| Battery feels hot during use/charging. | Overload; faulty battery/charger; short circuit. | Immediately disconnect the battery. Do not use if it continues to overheat. Contact customer service if issue persists. |
If the problem persists after trying these steps, please contact customer support.
9. Warranty and Support
The XHDATA BL-5C battery comes with a warranty. For specific details regarding the warranty period and terms, please refer to the product packaging or contact XHDATA customer service.
Customer Service:
For any questions, technical support, or warranty claims, please contact the seller or XHDATA customer service through the platform where you purchased the product. Please have your purchase details and product model number (5C-Black-2) ready when contacting support.
Return Policy: This product is typically eligible for returns within 30 days of receipt, subject to the retailer's return policy.
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